The Ultimate Calculus Course
TL;DR: A free single-variable Calculus course covering limits, derivatives, the chain rule, optimization, related rates, integrals, the Fundamental Theorem of Calculus, areas, and volumes. Self-paced lessons with worked examples and free worksheets for every topic.
Key takeaways:
- Covers single-variable differential and integral calculus.
- Includes limits, derivatives, applications (optimization, related rates), integrals, areas, volumes.
- Each topic has a lesson plus a free worksheet with worked-out solutions.
- Built for high school AP Calc students and first-year college calc students.
- Self-paced and free, no signup.
- Differential Calculus: This area deals with the concept of the derivative, which allows us to understand rates of change. For instance, if you’re looking at how a car accelerates, differential calculus helps you determine the car’s speed at any given moment. It involves understanding slopes of curves and how these slopes change.
- Integral Calculus: This area focuses on the concept of the integral, which is essentially about accumulation. For example, if you know the rate at which a tank is being filled with water, integral calculus lets you figure out how much water is in the tank over time. It involves adding up infinitely many tiny quantities to find the whole.
Both of these concepts rely on the fundamental notion of limits, which is the idea of approaching a value (but not necessarily reaching it). Calculus has vast applications in science, engineering, economics, statistics, and many other fields. It provides a framework for modeling systems in which there is change, and a way to predict and understand the behavior of those systems. For additional educational resources,.
The Absolute Best Book to Ace Calculus
Calculus Complete Course
Functions
- Function Notation
- Adding and Subtracting Functions
- Multiplying and Dividing Functions
- Composition of Functions
- Writing Functions
- Graphing Functions
- Parent Functions
- Function Inverses
- Inverse Variation
- Domain and Range of function
- Piecewise Function
- Positive, Negative, Increasing and Decreasing Functions on Intervals
Advanced Functions
- Exponential Function
- Linear, Quadratic and Exponential Models
- Linear vs Exponential Growth
- Logarithms
- Properties of logarithms
- Natural Logarithms
- Sine, Cosine, and Tangent
- Reciprocal Functions: Cosecant, Secant, and Cotangent
- Domain and Range of Trigonometric Functions
- Trigonometric Function Values for Key Angles
- The Unit Circle
- Additional trigonometric reminders
- Periodic properties of trigonometric functions
- Floor and Ceiling Functions
Sequences and Series
- Arithmetic Sequences
- Geometric Sequences
- Sigma Notation (Summation Notation)
- Arithmetic Series
- Geometric Series
- Binomial Theorem
- Pascal’s Triangle
- Alternate Series
Limit and Continuity
- Limit Introduction
- Neighborhood
- Estimating Limits from Tables
- Functions with Undefined Limits (from table)
- Functions with Undefined Limits (from graphs)
- One Sided Limits
- Limit at Infinity
- Continuity at a Point
- Continuity over an Interval
- Removing Discontinuity
- Direct Substitution
- Limit Laws
- Limit Laws Combinations
- The Squeeze Theorem
- Indeterminate and Undefined
- Infinity cases
- Trigonometric Limits
- Rationalizing Trigonometric Functions
- Algebraic Manipulation
- Redefining function’s value
- Rationalizing Infinite Limits
Derivative
- Derivative introduction
- Average and instantaneous rates of change
- The derivative of a function
- Rules of differentiation
- Derivative of trigonometric functions
- Power rule
- Product rule
- Quotient rule
- Chain rule
- Power rule combined with other derivative rules
- Derivative of radicals
- Derivative of logarithms and exponential functions
- L’Hôpital
- Differentiability
- Second derivatives: Minimum vs. Maximum
- Curve sketching using derivatives
- Differentiating Inverse Functions
- Optimization problems
- Implicit differentiation
- Related rates
Integrals
- What is Integral?
- Applications of Integrals
- Exponential Growth and Decay
- The Anti-Derivative
- Riemann Sums
- Rules of Integration
- Power Rule (of Integration)
- Fundamental Theorem of Calculus
- Trigonometric Integrals
- Substitution Rule
- Integration by Parts
- Integral of Radicals
- Exponential and Logarithmic Integrals
- Improper Integrals
Differential Equations
- Introduction and applications
- Classification of Differential Equations
- First-Order Ordinary Differential Equations
- Linear Differential Equations
- Separable Differential Equations
- Slope Fields
- Euler’s Method for Numerical Solutions
- Simple Growth and Decay
- Population Models
Analytic Geometry
- Ellipses, parabolas, and hyperbolas
- Polar Coordinates
- Converting Between Polar and Rectangular Coordinates
- Graphing Polar Equations
- Applications of Polar Coordinates
Complex Numbers
- Complex Numbers addition and subtraction
- Multiplying and Dividing Complex Numbers
- Rationalizing Imaginary Denominators
The Best Books for High School Students
Recommended EffortlessMath Books
For a workbook that pairs with this course, the Calculus for Beginners walks through every topic with worked examples. For AP-specific prep, see the AP Calculus AB Test Prep Bundle and the AP Calculus BC Test Prep Bundle.
Frequently Asked Questions
What is Calculus?
Calculus is the math of change. The two main branches are differential calculus (the derivative — instantaneous rate of change) and integral calculus (the integral — accumulation, area under a curve). The Fundamental Theorem of Calculus links the two: integration and differentiation are inverse operations.
What topics are in this Calculus course?
Limits and continuity, the definition of the derivative, derivative rules (power, product, quotient, chain), implicit differentiation, applications (optimization, related rates, motion problems), the definite and indefinite integral, the Fundamental Theorem of Calculus, integration techniques (substitution), area between curves, and volumes of solids of revolution.
What math do I need before starting Calculus?
Algebra 1, Algebra 2, Geometry, and a solid Pre-Calculus course covering functions, exponents, logarithms, and trigonometry (especially the unit circle and trig identities). Calculus assumes fluency in all of these — if any are rusty, review them first. The most common reason students struggle in calc is weak algebra, not weak calc.
What’s a derivative?
The derivative measures the instantaneous rate of change of a function at any point. Geometrically, it’s the slope of the tangent line to the curve at that point. Notation: \(f'(x)\), \(\frac{dy}{dx}\), or \(\frac{df}{dx}\). Definition: \(f'(x) = \lim_{h \to 0} \frac{f(x+h) – f(x)}{h}\). In practice, you use rules (power, product, quotient, chain) to compute derivatives without going back to the definition every time.
What’s an integral?
The integral represents accumulation. The definite integral \(\int_a^b f(x)\,dx\) gives the signed area under the curve \(f(x)\) between \(x = a\) and \(x = b\). The indefinite integral \(\int f(x)\,dx\) gives the family of antiderivatives — functions whose derivative is \(f(x)\). The Fundamental Theorem of Calculus connects the two.
What’s the chain rule?
The chain rule says \(\frac{d}{dx}[f(g(x))] = f'(g(x)) \cdot g'(x)\). Use it whenever you differentiate a composition of functions — a function inside another function. Example: \(\frac{d}{dx}[\sin(3x^2)] = \cos(3x^2) \cdot 6x\). The chain rule shows up everywhere in calc — master it early.
What’s the Fundamental Theorem of Calculus?
Part 1: \(\frac{d}{dx}\int_a^x f(t)\,dt = f(x)\). Part 2: \(\int_a^b f(x)\,dx = F(b) – F(a)\), where \(F\) is any antiderivative of \(f\). Together they say differentiation and integration are inverse operations — knowing how to find antiderivatives lets you evaluate definite integrals without computing a limit of sums.
What’s the difference between AP Calc AB and BC?
AP Calc AB covers single-variable differential and integral calculus — basically what’s in this course. AP Calc BC covers all of AB plus integration by parts, partial fractions, improper integrals, infinite series, polar coordinates, and parametric equations. BC is roughly equivalent to two semesters of college calc; AB is one semester.
How long does it take to finish the Calculus course?
If you do one lesson per school day, the full course takes 9-10 months — a standard school year of AP Calc AB. For first-year college calc on a semester schedule, that’s about 4 months at a faster pace. Self-learners can move at whatever speed suits the rest of their schedule.
Where can I find a Calculus workbook?
EffortlessMath has the Calculus for Beginners workbook covering every topic in this course with worked examples and unit reviews. For AP-specific prep, see the AP Calculus AB and AP Calculus BC Test Prep Bundles.
Related EffortlessMath Lessons
If a topic on this page feels rusty, these short lessons go deeper:
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